Smile and say hello. You can even do a small wave.
I really think mostly men care about having to touch, or pretend to touch, to greet someone.
I’m good with bowing also. It’s more natural to me at the end of a conversation actually, but I could easily do it when meeting someone. I’ve been saying America should move to the now for 30 years. Hopefully, we will do it with less rules than the Japanese.
I did the namaste today, to a doctor.
I liked it.
Fist bumps are out too, as well as hand shakes obviously.
Some I think I will give the finger.
From 6 feet distance.